Air Purifiers Error Codes
6 error codes across 1 brands. Find your code, what it means, and how to fix it.
Honeywell
6 codes Air Quality Indicator displays solid green
Good air quality — the VOC sensor has detected a low level of volatile organic compounds in the room.
Air Quality Indicator displays solid red
Poor air quality — the VOC sensor has detected an elevated level of volatile organic compounds in the room.
Air Quality Indicator displays solid yellow
Moderate air quality — the VOC sensor has detected a moderate level of volatile organic compounds in the room.
Air Quality Indicator pulses between green, yellow, and red
Air quality calibration in progress — the VOC sensor is initializing and measuring the air quality upon startup.
Filter Reset Light blinks every 2 seconds
HEPA Filter replacement indicator — the HEPA filter has reached the end of its service life and needs to be replaced.
Filter Reset Light illuminates (not blinking)
Pre-Filter replacement indicator — the pre-filter has reached the end of its service life and needs to be replaced.